Norazmi AA, Samsudin EM. Utilizing Cotton Bud Sticks as a Sustainable Sound Absorber. rtcebe [Internet]. 2021 Jun. 17 [cited 2024 Jul. 2];2(1):834-41. Available from: https://penerbit.uthm.edu.my/periodicals/index.php/rtcebe/article/view/1316